What’s Vulnerable › Vulnerabilities

CVE-2022-49563: crypto: qat - add param check for RSA

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-02-26 · updated 2026-08-04
• Weakness: CWE-191

Description

In the Linux kernel, the following vulnerability has been resolved: crypto: qat - add param check for RSA Reject requests with a source buffer that is bigger than the size of the key. This is to prevent a possible integer underflow that might happen when copying the source scatterlist into a linear buffer.

Affected products

• Linux kernel: before 5.15.58; from 5.16 before 5.18.15 — fixed in 5.15.58, 5.18.15

How to fix

Upgrade to a fixed version: Linux kernel 5.15.58, 5.18.15. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/4d6d2adce08788b7667a6e58002682ea1bbf6a79
• https://git.kernel.org/stable/c/9714061423b8b24b8afb31b8eb4df977c63f19c4
• https://git.kernel.org/stable/c/f993321e50ba7a8ba4f5b19939e1772a921a1c42

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